FIRE crews were called to a blaze at house in Old Market Avenue, Spilsby in the early hours of Monday morning (April 2).
Firefighters from Wainfleet, Spilsby and Horncastle attended the property at 01.45am.
The fire caused severe damage to 100 per cent of the ground floor and there was severe damage by smoke to 100 per cent of the first floor.
Flames were tackled using two breathing apparatus, one hose reel jet and small tools were used.
The cause is still to be determined.
No-one was hurt in the incident.